Guild Wars 2

There is no sheet of paper at the top of the first stairs in the instance…

Doing the jump puzzle to the end, no other sheets of paper and no final boss bird.

Is it just me?

Thanks in advance!

It is not only you. I have the same problem. It was also reported in this thread:
https://forum-en.gw2archive.eu/forum/support/bugs/HoT-story-achievements-don-t-work/first#post5728124

Ty for the info Drakernout!